Motion Sensor

PASCO

$85

• Knowing the speed of sound (342 m/s) and measuring the time it takes for a sound wave to reflect off an object, the position can be calculated at any point in time.

• The default pulse frequency is 20 Hz, but can be increased up to 50 Hz.

• However, the maximum position is limited by the round trip time it takes for the sound wave to return before the next pulse is emitted.

• The minimum position is about 15 cm.

VIDEO

Match Graph Kit

PASCO - $145 • Software

• Motion Sensor

• Air Link

Toy Car

Arbor Scientific

$8.50

• Powered by 4-C batteries • On-off switch at front • All wheel drive

Cars can operate on a table or on a track.

1.2m Aluminum Track

$100

Pass Track

$80

PASCar

2 for $100

GOCar $39 No magnets No plunger

PASCO SCIENTIFIC

Incline Track

End Stop

Motion Sensor

PASCar

VIDEO

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